Bio151 Sp13 Exam 1 answer key

Skin diff gene expressed signal present receptor

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: type of cell. Totipotent stem cells exist at the beginning of embryonic development (fertilization, zygote, 8 cell stage, 16 cell stage) and have the ability to become any cells in the human body as well as cells in the extra- embryonic tissue. Pluripotent stem cells exist during development in the inner cell mass at the blastocyst stage, and have the ability to become any cell in the human body. Multipotent stem cells have the ability to become a more limited number of types of cells and can be found in the fetus and in the human body (examples: hematopoietic stem cells, neuronal stem cells). Question 2 (3 pts) Give an example of how one’s own cells might be used in stem cell therapy. We now have the technology available to take differentiated cells from our body and turn them back into some version of pluripotent...
View Full Document

This note was uploaded on 01/21/2014 for the course BIO 151 taught by Professor Randallphillis during the Fall '12 term at UMass (Amherst).

Ask a homework question - tutors are online